Finding the Third Proportional to 4,974 and 7,317
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Solution
The third proportional to 4,974 and 7,317 is: 10,763.67
Step by Step Solution
- Step 1: Write the proportion equation
4,974 : 7,317 = 7,317 : x - Step 2: Convert to fraction form
4,974/7,317 = 7,317/x - Step 3: Cross multiply
4,974x = 7,317 × 7,317 - Step 4: Simplify right side
4,974x = 53,538,489 - Step 5: Solve for x
x = 53,538,489/4,974 - Step 6: Final answer
x = 10,763.67
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.